GMAT数学题请说明理由哇InTownX,64percentofthepopulationareemployed,and48percentofthepopulationareemployedmales.WhatpercentoftheemployedpeopleinTownXarefemales?A.\x0516%B.\x0525%C.\x0532%D.\x0540%E.\x0552%

Question

GMAT数学题 请说明理由哇
In Town X,64 percent of the population are employed,and 48 percent of the population are employed males.What percent of the employed people in Town X are females?
A.\x0516%
B.\x0525%
C.\x0532%
D.\x0540%
E.\x0552%

Answer 1

Let total population be P.Let employed people be E = 0.64P and so employed male is EM = 0.48P,therefore employed female EF = E - EM = 0.16P,so EF is about 0.16P / 0.64P = 0.25 of the employed people in Town.Hence choice B